
Which is more popular?
Based on our record, Mermaid seems to be more popular. It has been mentioned 62 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | mermaid.js.org | opalstack.com |
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What each product offers, as listed by its team.


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An editorial look at what each product does well and who it suits.


No analysis of Mermaid yet.
Overall verdict
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Recommended for
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Mermaid and Opalstack. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Like PlantUML, Mermaid follows the diagrams-as-code model. It is supported by GitHub and uses Markdown-style notation to create and modify diagrams. This makes diagramming with Mermaid very convenient if you're...
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Recommendations tracked on public social media and blogs since March 2021.


Seems a bit more like https://mermaid.js.org use cases! - Source: Hacker News / 2 months ago
I wanted authors on my Forem instance to write flowcharts and sequence diagrams using Mermaid syntax directly in their articles, like this:. - Source: dev.to / 3 months ago
Credits: - label: Cover image text: Kelly Sikkema on Unsplash url: https://unsplash.com/@kellysikkema - label: Diagram library text: Mermaid url: https://mermaid.js.org/. - Source: dev.to / 4 months ago
Tracking Opalstack since Sep 2023.
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